papillary adenocarcinoma

n.
  1. An adenocarcinoma containing fingerlike processes of vascular connective tissue covered by neoplastic epithelium, projecting into cysts or the cavity of glands or follicles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.